U0252 Hyundai Xg350 Diagnostic Trouble Code

U0252 Hyundai Xg350 code definition:
U0252 is a kind of OBD-II Diagnostic U-Network Diagnostic Trouble Code for Hyundai Xg350.

U0252 Hyundai Xg350 or the Evaporative Emission Control System Incorrect Purge Flow is the set whenever the computer sees that there is a problem with the flow coming from the purge valve or the purge flow is not enough within the EVAP system. So if the problem persists despite of your diagnosis, then you should never hesitate to take your vehicle to your dealer or to a qualified mechanic.

Symptoms

Symptoms of a U0252 Hyundai Xg350 diagnostic trouble code may include:
Place of U0252 in engine

Possible Causes :

  • The Mass Airflow sensor is a hot wire that senses the volume of air entering the intake manifold. The computer uses this information to control fuel mixture.
  • Defective ECU strategies or components will prevent proper regeneration
  • Dirty air cleaner element Damaged DPF

Common Misdiagnoses

  1. TP Sensor Learn Not Complete Problem
  2. Low Coolant Circuit Problem
  3. Cruise Control System - Vehicle Accel Too High Problem
  4. TFP Valve Position Switch-Drive Without Drive Ratio Problem
  5. Problem

Repair Processes :

With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground. It should be pretty close to battery voltage (12 volts). If not, then this is the circuit that has the problem.

Process Tips

Diagnostic trouble code U0252 Hyundai Xg350 is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before U0252 Hyundai Xg350.

Fortunately, U0252 Hyundai Xg350 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

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